42551054 has 32 divisors (see below), whose sum is σ = 79289280. Its totient is φ = 16676352.

The previous prime is 42551053. The next prime is 42551057. The reversal of 42551054 is 45015524.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42551053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19532 + ... + 21600.

It is an arithmetic number, because the mean of its divisors is an integer number (2477790).

Almost surely, 2^42551054 is an apocalyptic number.

42551054 is a deficient number, since it is larger than the sum of its proper divisors (36738226).

42551054 is a wasteful number, since it uses less digits than its factorization.

42551054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 42551054 is about 6523.1168930198. The cubic root of 42551054 is about 349.1162848710.

Adding to 42551054 its reverse (45015524), we get a palindrome (87566578).

The spelling of 42551054 in words is "forty-two million, five hundred fifty-one thousand, fifty-four".